This professional class ultra compact and light weight air impact wrench delivers more power and easy access to tight areas. Aluminum housing and ergonomically TPR rubber designed make more comfortable and less vibration. Speed regulating structure in the trigger for ONE HAND operation, trigger can be switched around LEFT and RIGHT hand operation without obstacles. The self-locking device of cylinder, it greatly reduces the issues that the torque decreases. High quality material made durable anvil with special heat treatment to extend and ensure maximum tool life. SPECIFICATIONS: Drive size: 1/2" 553 ft-lb (750 NM) of Bolt breakaway torque Length: 4.84 " (123mm) Height: 7 " (178mm) Weight: 2.82 lbs (1.28 kgs) Forward And Reverse Free Speed: 9,000 RPM Clutch type: Twin Hammer Working pressure: 90 PSI (6.3 Bar) Average air consumption: 30 scfm Air inlet: 1/4" NPT Noise Level: 108 dBA Exhaust: Handle Packing: Gift Color box with durable polypropylene support Include: 1pc-nipper; 1pc-hook; 1pc-spare driving lever (for F/R switch)